4130 30CrMo SCM430 Alloy Structure Steel Round Bar
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 500000 m.t./month
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Specification
4130 30CrMo SCM430 Alloy Structure Steel Round Bar
Product Description of 4130 30CrMo SCM430 Alloy Structure Steel Round Bar
1. Steel grade: ASTM4140, SCM440, 42CrMo, DIN1.7225
2. Length: 6M-12M
3. Diameter: 16mm-300mm
4. Product range: round bar, flat bar, square bar
5. Technique: Hot rolled, forged, cold drawn
Specification of 4130 30CrMo SCM430 Alloy Structure Steel Round Bar
Material | SCM4140 | Round bar | Dia(mm) | 16-300mm |
Process | EAF + LF + VD + Forged + Heat Treatment (optional) | Length (mm) | Max 12m | |
Heat treatment | Normalized / Annealed / Quenched / tempered | Flat bar | Thickness(mm) | 8-500mm |
Delivery condition | Hot forged +Rough machined (black surface after Q/T)+ Turned (optional) | Width(mm) | 70-200mm | |
Test | Ultrasonic test according to SEP 1921-84 D/d | Length (mm) | Max 12m |
Chemical Composition of 4130 30CrMo SCM430 Alloy Structure Steel Round Bar
C | Si | Mn | Cr | Mo | P | S |
0.38~0.43 | 0.15~0.35 | 0.75~1.00 | 0.8~1.1 | 0.15~0.25 | ≤0.035 | <0.04< td=""> |
Photo Show of 4130 30CrMo SCM430 Alloy Structure Steel Round Bar
Packing and Delivery:
Packing in bundle package, or as customer's requirements.
Delivery Detail: 45 days after receiving the deposit.
Usage and Applications of 4130 30CrMo SCM430 Alloy Structure Steel Round Bar
1. Steel round bar is used in a large number of architectural and engineering structures. Or it can be used in construction of plants for the production of steel house frames, high-voltage transmission towers, bridges, vehicles, boilers, containers, ships, etc.
2. And we can use this kind of product on the performance of the mechanical parts if the demand is not very high.
3. Some special material steel round bar can be used for main shaft of steamer, hummer shank, with big section and supper force.
Company Information
CNBM International Corporation is the most important trading platform of CNBM group.
Whith its advantages, CNBM International are mainly concentrate on Cement, Glass, Iron and Steel, Ceramics industries and devotes herself for supplying high qulity series of refractories as well as technical consultancies and logistics solutions.
F A Q
1, Your advantages?
professional products inquiry, products knowledge train (for agents), smooth goods delivery, excellent customer solution proposale
2, Test & Certificate?
SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem
3, Factory or Trading Company?
CNBM is a trading company but we have so many protocol factories and CNBM works as a trading department of these factories. Also CNBM is the holding company of many factories.
4, Payment Terms?
30% TT as deposit and 70% before delivery.
Irrevocable L/C at sight.
5, Trading Terms?
EXW, FOB, CIF, FFR, CNF
6, After-sale Service?
CNBM provides the services and support you need for every step of our cooperation. We're the business partner you can trust.
For any problem, please kindly contact us at any your convenient time.
We'll reply you in our first priority within 24 hours.
- Q: How do steel round bars compare to cast iron bars?
- Considered to be stronger and more durable than cast iron bars are steel round bars. Steel possesses a higher tensile strength and can endure greater loads and stress without distorting or fracturing. Moreover, steel exhibits superior resistance to corrosion and possesses a higher melting point in comparison to cast iron. An additional benefit of steel round bars lies in their versatility. Steel can be easily machined, welded, and shaped into various forms, making it suitable for a wide array of applications. Conversely, cast iron is brittle and challenging to manipulate. It possesses limited malleability and is prone to cracking or chipping under stress. Nevertheless, cast iron bars possess their own distinct properties that render them appropriate for specific applications. Renowned for its exceptional heat retention and distribution, cast iron proves ideal for applications such as cookware and engine blocks. It also boasts commendable vibration damping properties, which can prove advantageous in certain industrial applications. In conclusion, while steel round bars are generally regarded as superior in terms of strength, durability, and versatility, cast iron bars possess unique advantages in select applications. Ultimately, the choice between the two will depend on the specific requirements and conditions of the intended use.
- Q: What is the thermal conductivity of a steel round bar?
- The thermal conductivity of a steel round bar may differ based on the particular steel type and composition. In general, carbon steel exhibits a thermal conductivity range of 26 to 48 W/m·K, whereas stainless steel typically has a slightly lower thermal conductivity of 15 to 27 W/m·K. Nevertheless, these values are only approximations and can be influenced by factors including temperature, impurities, and alloying elements. It is worth noting that thermal conductivity describes a material's capacity to conduct heat and is commonly measured in units of W/m·K.
- Q: Can steel round bars be used in the manufacturing of heat exchangers?
- Yes, steel round bars can be used in the manufacturing of heat exchangers. Steel round bars are commonly used as a material for heat exchanger tubes due to their high strength, durability, and excellent heat transfer properties. The bars can be formed and welded into various shapes and sizes, making them suitable for constructing the heat exchanger tubes.
- Q: What are the different types of steel round bars used in the marine industry?
- In the marine industry, various types of steel round bars are used for different applications. These steel round bars are specifically designed to withstand the harsh marine environment and provide high strength and corrosion resistance. 1. Stainless Steel Round Bars: Stainless steel round bars are widely used in the marine industry due to their excellent corrosion resistance properties. They are resistant to saltwater, acids, and other corrosive elements found in the marine environment. Stainless steel round bars are commonly used for marine fittings, fasteners, and propeller shafts. 2. Carbon Steel Round Bars: Carbon steel round bars are known for their high strength and durability. They are used in various marine applications such as shipbuilding, construction of offshore structures, and fabrication of marine equipment. Carbon steel round bars are available in different grades, with higher carbon content providing increased strength and hardness. 3. Alloy Steel Round Bars: Alloy steel round bars are made by combining different elements such as chromium, nickel, and molybdenum with carbon steel to enhance their mechanical properties. These bars offer excellent strength, toughness, and resistance to corrosion. Alloy steel round bars are commonly used for marine shafts, gears, and structural components. 4. Duplex Stainless Steel Round Bars: Duplex stainless steel round bars are a combination of austenitic and ferritic stainless steels. They offer superior corrosion resistance and high strength, making them ideal for marine applications. Duplex stainless steel round bars are often used in offshore platforms, marine vessels, and underwater equipment. 5. Nickel Alloy Round Bars: Nickel alloy round bars are known for their exceptional resistance to corrosion and high-temperature environments. They are used in critical marine applications where strength, durability, and resistance to corrosive elements are essential. Nickel alloy round bars are commonly used in marine valves, pumps, and heat exchangers. Each type of steel round bar used in the marine industry has its own unique properties and advantages. The selection of the appropriate steel round bar depends on the specific application and requirements of the marine project.
- Q: Cold drawn steel wire is a round bar or thread steel in Construction Engineering?
- Of course it belongs to round bar. Thread steel can not be obtained by cold drawing. Besides, the outer diameter of the cold drawn steel wire is smaller, the surface is smoother and the hardness is slightly higher.
- Q: What are the different types of steel round bar surface finishes?
- There are several different types of surface finishes that can be applied to steel round bars. Some of the most common finishes include: 1. Bright: This finish involves polishing the steel round bar to a high gloss, resulting in a shiny and reflective surface. It is often used for decorative purposes or in applications where aesthetics are important. 2. Grinded: Grinded finishes involve using a grinding wheel or abrasive belt to remove the outer layer of the steel round bar, resulting in a smooth and even surface. This finish is often used to remove imperfections or to create a uniform surface for further processing. 3. Brushed: Brushed finishes involve using a wire brush or abrasive pad to create a pattern of fine lines on the surface of the steel round bar. This finish is often chosen for its unique aesthetic appeal and is commonly used in architectural applications. 4. Powder-coated: Powder coating involves applying a dry powder to the surface of the steel round bar and then curing it using heat. This finish provides a durable and corrosion-resistant coating that can be applied in various colors and textures. 5. Galvanized: Galvanizing is the process of applying a protective zinc coating to the steel round bar to prevent corrosion. This finish is commonly used in outdoor or marine applications where the steel is exposed to moisture or harsh environmental conditions. 6. Oiled: Oiled finishes involve applying a thin layer of oil to the surface of the steel round bar. This finish provides temporary protection against corrosion and is often used for short-term storage or transportation purposes. 7. Shot-blasted: Shot blasting involves propelling small metallic or non-metallic particles at high speeds onto the surface of the steel round bar. This process creates a textured finish that helps to improve adhesion of subsequent coatings or paints. Each type of surface finish has its own unique benefits and is chosen based on the specific requirements of the application.
- Q: How is a steel round bar made?
- To create a steel round bar, a series of steps must be taken during the manufacturing process. First, high-quality raw materials, typically steel billets, are carefully chosen. These billets are then heated in a furnace until they reach an appropriate temperature for forging. Once the billet has been heated, it is placed into a forging machine. Here, it undergoes significant pressure, either from repeated hammer strikes or mechanical press application, to shape it into a round bar. The goal of this forging process is to achieve the desired shape and dimensions. Following the forging stage, the round bar enters a heat treatment process. This involves heating the bar to a specific temperature and then rapidly or slowly cooling it. This treatment enhances the bar's mechanical properties, including its strength, hardness, and toughness, making it suitable for various applications. After heat treatment, the bar goes through machining. This step involves cutting, turning, and grinding the bar to achieve the desired dimensions and surface finish. By doing so, the bar meets the required tolerances and specifications. Lastly, the round bar undergoes a final inspection to ensure its quality and adherence to specified standards. This inspection involves checking its dimensions, surface finish, and any other specific requirements, such as chemical composition or mechanical properties. In conclusion, the production of a steel round bar involves carefully selecting raw materials, forging, heat treatment, machining, and final inspection. Each step in this process is essential in guaranteeing the quality and integrity of the end product.
- Q: Will the theoretical weight of thread steel and round steel be the same?
- The difference between such rebar and round bars with longitudinal ribs and transverse rib surface, usually with two longitudinal ribs and transverse ribs along the length direction of the uniform distribution.
- Q: Can steel round bars be used in the pharmaceutical industry?
- Yes, steel round bars can be used in the pharmaceutical industry. Steel round bars are commonly used in various industries, including pharmaceuticals, due to their strength, durability, and versatility. In the pharmaceutical industry, steel round bars can be utilized for a range of applications such as manufacturing equipment, machinery, and storage systems. These bars can be used to construct pharmaceutical manufacturing equipment like mixers, reactors, and centrifuges, which require robust and reliable materials to ensure efficiency and safety in pharmaceutical production processes. Additionally, steel round bars can be employed in the construction of storage systems such as racks and shelves, providing a sturdy and secure solution for organizing pharmaceutical products and supplies. The corrosion resistance and ease of cleaning of steel make it suitable for maintaining hygienic conditions in pharmaceutical facilities. Overall, steel round bars offer the pharmaceutical industry a reliable and cost-effective material option for various applications.
- Q: What are the advantages of using precipitation-strengthened steel round bars?
- One advantage of using precipitation-strengthened steel round bars is their superior strength and hardness. The precipitation-hardening process allows for the formation of fine and evenly dispersed particles, enhancing the material's mechanical properties. This makes them suitable for applications that require high strength and durability, such as in construction, manufacturing, and automotive industries. Additionally, precipitation-strengthened steel round bars have excellent corrosion resistance, enabling them to withstand harsh environments and prolonged exposure to moisture without compromising their strength.
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4130 30CrMo SCM430 Alloy Structure Steel Round Bar
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 500000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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